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Development of fungal biocomposites for construction applications

Materialwissenschaft und Werkstofftechnik, ISSN: 1521-4052, Vol: 55, Issue: 5, Page: 569-578
2024
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Article Description

Mycelium materials represent a new class of environmentally friendly materials for structural applications that can grow on low-cost organic waste while achieving satisfactory thermal or acoustic insulation properties. The aim of this study is to grow a biocomposite of mycelium on flax tows and then use it as a reinforcement with a geopolymer matrix. To achieve this, three species of mycelium were selected, a culture process was carried out, and then samples of the composite were synthesized with a geopolymer matrix. To determine the utility in terms of structural applications, the density, compressive strength, and thermal conductivity of the samples were tested. Scanning electron microscope images were also taken to observe the microstructure. The results indicate that it is possible to produce a mycelium composite with a geopolymer matrix. A lower density was achieved for all samples than for the geopolymer without reinforcement. The coefficient of thermal conductivity was reduced only for the sample with one of the mycelia. The compressive strength for biocomposites was between 12.1 MPa–14.2 MPa, this value is enough for some engineering applications.

Bibliographic Details

K. Brudny; M. Łach; B. Kozub; K. Korniejenko

Wiley

Materials Science; Physics and Astronomy; Engineering

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